'9/11: Day That Changed the World'

Former Vice President Dick Cheney, former Defense Secretary Donald Rumsfeld, former New York Mayor Rudolph Giuliani and former New York Fire Chief Thomas von Essen sat down for interviews for this documentary that recounts what happened that day through the eyes of those who were in power....

Former Vice President Dick Cheney, former Defense Secretary Donald Rumsfeld, former New York Mayor Rudolph Giuliani and former New York Fire Chief Thomas von Essen sat down for interviews for this documentary that recounts what happened that day through the eyes of those who were in power.... (Eric Draper / Smithsonian Channel)

Former Vice President Dick Cheney, former Defense Secretary Donald Rumsfeld, former New York Mayor Rudolph Giuliani and former New York Fire Chief Thomas von Essen sat down for interviews for this documentary that recounts what happened that day through the eyes of those who were in power....